Draft-equalizer.



No. 658,684. Patented, Sapt. 25, i900."

J. F. SMITH.

DRAFT EHUALIZER.

(Application filed July 6, 1900.)

(No Model.)

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NTTE STATES PATENT OFFICE.

JOHN F. SMITH, OF PARKER, SOUTH DAKOTA, ASSIGNOR TO OLIN RANSOM GOULD AND JAMES SILK BUOKINGHAM COOK, OF CHARLES OITY, IOWA.

DRAFT-EQUALIZER.

SPECIFICATION forming part of Letters Patent No. 658,684, dated September 25, 1900. Application filed July 6, 1900. Serial No. 22,670. (No model.)

TO 1117M)? it y 007L067: tached to the long end of the lever on the Be it known that I, JOHN F. SMITH, of Parother side. By the peculiar arrangement and ker, in the county ofTurner and State of South compound leverage exerted by the headed le- Dakota, have invented a new and useful Imver and its link-bar D the pull of the one 55 provement in Draft-Equalizers, of which the animal is enabled to balance the pull of the following is a specification. other two. For the maximum leverage that My invention is in the nature of an improved is to be exerted by the single horse the draftthree-horse draft-equalizer or draft-equalizer link E is connected to the outer hole in lever having a preponderance of team on one side O and the link-bar Dis connected in the hole 6o 10 of the tongue or fulcrum-point; and it connearest to the fulcrum of lever O, and to disists in the peculiar construction and arrangeminish the leverage link E is adjusted closer ment of parts, which I will now proceed to to the fulcrum of lever O and link-bar D far- (lescribe with reference to the drawings, in ther from said fulcrum.

which I am aware that more or less complicated 15 Figure 1 is a plan view, and Fig. 2 a rear devices for equalizing the draft strain of the edge view. team have heretofore been devised. My in- In the drawings, A represents the tongue vention is distinctive in its simplicity, and of any vehicle, to which is fulcrumed at a the the fact that the compounding-lever O has its lever B, projecting about twice as far on one connection 0' for the long end of lever B at a 20 side of the fulcrum as it does on the other. pointimmediatelybehindthefulcrumbofsaid At a point on the tongue in rear of the fullever C, so that the movement of the point of crum a there is fulcrumed at b a headed connection 0 (in transferring the draft strain lever O, which has in rear of its fulcrum b of the single horse to the long end of lever B) two or more holes a, through which passes a is at right angles to the line of draft. This 2; bolt 0, that passes through eyes formed in permits lever O to be put close behind B,

the ends of the branches of a double link-bar thereby shortening the length of tongue re- D, which at the other end is anchored in an quired and greatly simplifies the device. It eyebolt d, secured in the outer end of the also does away with all side draft on the long arm of lever B. The end of the headed tongue. 8o

30 lever O is curved forwardly toward the lever Having thus described my invention, what B and is provided with a series of holes 6, any I claim as new, and desire to secure by Letters one of which is by a bolt 6 connected to the. Patent, isrear end of a double draft-link E, one section 1. A draft-equalizer, comprising a main leof which passes above and the other below ver havinga long arm projecting on one side 35 the short end of leverB-and after being united of its fulcrum, a second compounding-lever terminate in a draft-hook f, to which the arranged close behind the first and provided singletree of the single horse is attached. with enlarged head fulcrumed in rear of the Where the link E passes across the lever B, first-named lever, a link connecting this lea metal strapg extends around the end of ver immediately behind its fulcrum to the 4c said lever and incloses and guides the link as outer end of the main lever-arm, and a draftit vibrates back and forth. link attached to the end of the rear or com- F is a yoke-plate which connects the fulpounding lever and arranged on the opposite crum-pins a and 7) for mutual strength and side of the fulcrum of the main lever from support, and G is a metal face-plate mounted its long end substantially as described.

5 upon the upper surface of the rear end of the 2. A draft-equalizer comprising a mainletongue where the levers B and O are fulver having arms of unequal length on oppocrumed, so as to reduce friction and wear and site sides of its fulcrum, a second compoundkeep tongue from splitting. ing-lever arranged close behind the first, and

In connecting the team one animal is athaving an enlarged head fulcrumed in rear I00 50 tached to the draft-hook f opposite the short of the first-named lever, and projectingin the end of lever B and the pair of animals is atsame directionas its short arm, a link conmeeting the rear lever immediately behind its fulcrum to the outer end of the long arm of the main lever, and a draft-link attached to the end of the rear level-and arranged to cross the short end of the main lever and be supported and guided thereby substantially as described.

3. A draft-equalizer comprising a tongue, lever B fulcrumed thereto at a point outside of its middle, a headed lever 0 arranged close behind the lever B and fulorumed to the tongue in rear of lever B, a link-bar D connected to the head of lever 0 directly in rear 

